NOUS41 KWBC 171801



Service Change Notice 12-17

National Weather Service Headquarters Washington DC

200 PM EDT Tue Apr 17 2012


To:      Subscribers:

         -Family of Services

         -NOAA Weather Wire Service

         -Emergency Manager Weather Information Network


         -Other NWS Partners, Users and Employees


From:    Fiona Horsfall

         Chief, Climate Services Division


Subject: Early Release of May 2012 ENSO Diagnostics Discussion

         Effective May 3, 2012


Effective May 3 2012, the May 2012 edition of the monthly El Niño/Southern Oscillation (ENSO) diagnostics discussion will be released 1 week earlier than previously scheduled.


The product will be released 1 week early in May 2012 due to the ongoing rapid transition from La Nina to neutral conditions. This is a one-time change and will only affect the release date for the May 2012 discussion.


This product is available at the following link:



A comprehensive description and example is posted online at:


If you have any questions, please contact


       Mike Halpert

       National Weather Service

       Climate Prediction Center/NCEP

       Camps Springs, MD 20746

       301-763-8000 Extension 7535


National Service Change notices are online at: